[Boost-users] Re: mpl rational_c and fixed_c

From: Matt Calabrese (mcalabre_at_[hidden])
Date: 2004-03-14 08:14:18

> The problem is that those current functions take 5 parameters, making
> specialization nearly impossible for the rational and fixed templates as
> you'd have to account for when the 3rd, 4th, 5th, etc parameters are not
> passed (and so the default integral 0 is used). That can't be easily done
> (at least I don't see how) without having to specialize each condition
> separately (one for 3 rational types, one for 4 rational types, etc ).

Scratch that, it can just call a specialized version of a 2 parameter
operation like the one I suggested later in the post, but still, all of the
other problems remain (when types are different).